]> git.zerfleddert.de Git - hmcfgusb/blob - flash-ota.c
projects / hmcfgusb / blob
? search:


99f94878fc11c172a810a64e984e64ea9b6fb532
[hmcfgusb] / flash-ota.c
1 /* flasher for HomeMatic-devices supporting OTA updates
2 *
3 * Copyright (c) 2014 Michael Gernoth <michael@gernoth.net>
4 *
5 * Permission is hereby granted, free of charge, to any person obtaining a copy
6 * of this software and associated documentation files (the "Software"), to
7 * deal in the Software without restriction, including without limitation the
8 * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
9 * sell copies of the Software, and to permit persons to whom the Software is
10 * furnished to do so, subject to the following conditions:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
18 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #include <stdio.h>
25 #include <stdlib.h>
26 #include <unistd.h>
27 #include <stdint.h>
28 #include <string.h>
29 #include <strings.h>
30 #include <poll.h>
31 #include <errno.h>
32 #include <sys/types.h>
33 #include <sys/stat.h>
34 #include <fcntl.h>
35 #include <sys/time.h>
36 #include <libusb-1.0/libusb.h>
37
38 #include "hexdump.h"
39 #include "firmware.h"
40 #include "hm.h"
41 #include "version.h"
42 #include "hmcfgusb.h"
43 #include "culfw.h"
44 #include "util.h"
45
46 #define MAX_RETRIES 5
47 #define NORMAL_MAX_PAYLOAD 37
48 #define LOWER_MAX_PAYLOAD 17
49
50 extern char *optarg;
51
52 uint32_t hmid = 0;
53 uint32_t my_hmid = 0;
54 char key[16] = {0};
55 uint32_t kNo = 0;
56
57 /* Maximum payloadlen supported by IO */
58 uint32_t max_payloadlen = NORMAL_MAX_PAYLOAD;
59
60 enum device_type {
61 DEVICE_TYPE_HMCFGUSB,
62 DEVICE_TYPE_CULFW,
63 };
64
65 struct ota_dev {
66 int type;
67 struct hmcfgusb_dev *hmcfgusb;
68 struct culfw_dev *culfw;
69 };
70
71 enum message_type {
72 MESSAGE_TYPE_E = 1,
73 MESSAGE_TYPE_R = 2,
74 };
75
76 struct recv_data {
77 uint8_t message[64];
78 enum message_type message_type;
79 uint16_t status;
80 int speed;
81 uint16_t version;
82 uint8_t credits;
83 };
84
85 static int parse_hmcfgusb(uint8_t *buf, int buf_len, void *data)
86 {
87 struct recv_data *rdata = data;
88
89 if (buf_len < 1)
90 return 1;
91
92 switch (buf[0]) {
93 case 'E':
94 if ((!hmid) ||
95 ((buf[0x11] == ((hmid >> 16) & 0xff)) &&
96 (buf[0x12] == ((hmid >> 8) & 0xff)) &&
97 (buf[0x13] == (hmid & 0xff)))) {
98 memset(rdata->message, 0, sizeof(rdata->message));
99 memcpy(rdata->message, buf + 0x0d, buf[0x0d] + 1);
100 rdata->message_type = MESSAGE_TYPE_E;
101 }
102 break;
103 case 'R':
104 memset(rdata->message, 0, sizeof(rdata->message));
105 memcpy(rdata->message, buf + 0x0e, buf[0x0e] + 1);
106 rdata->status = (buf[5] << 8) | buf[6];
107 rdata->message_type = MESSAGE_TYPE_R;
108 break;
109 case 'G':
110 rdata->speed = buf[1];
111 break;
112 case 'H':
113 rdata->version = (buf[11] << 8) | buf[12];
114 rdata->credits = buf[36];
115 my_hmid = (buf[0x1b] << 16) | (buf[0x1c] << 8) | buf[0x1d];
116 break;
117 default:
118 break;
119 }
120
121 if (buf_len != 1)
122 return 1;
123
124 return 1;
125 }
126
127 static int parse_culfw(uint8_t *buf, int buf_len, void *data)
128 {
129 struct recv_data *rdata = data;
130 int pos = 0;
131
132 memset(rdata, 0, sizeof(struct recv_data));
133
134 if (buf_len <= 3)
135 return 0;
136
137 switch(buf[0]) {
138 case 'A':
139 if (buf[1] == 's')
140 return 0;
141
142 while(validate_nibble(buf[(pos * 2) + 1]) &&
143 validate_nibble(buf[(pos * 2) + 2]) &&
144 (pos + 1 < buf_len)) {
145 rdata->message[pos] = ascii_to_nibble(buf[(pos * 2) + 1]) << 4;
146 rdata->message[pos] |= ascii_to_nibble(buf[(pos * 2) + 2]);
147 pos++;
148 }
149
150 if (hmid && (SRC(rdata->message) != hmid))
151 return 0;
152
153 rdata->message_type = MESSAGE_TYPE_E;
154 break;
155 case 'V':
156 {
157 uint8_t v;
158 char *s;
159 char *e;
160
161 s = ((char*)buf) + 2;
162 e = strchr(s, '.');
163 if (!e) {
164 fprintf(stderr, "Unknown response from CUL: %s", buf);
165 return 0;
166 }
167 *e = '\0';
168 v = atoi(s);
169 rdata->version = v << 8;
170
171 s = e + 1;
172 e = strchr(s, ' ');
173 if (!e) {
174 fprintf(stderr, "Unknown response from CUL: %s", buf);
175 return 0;
176 }
177 *e = '\0';
178 v = atoi(s);
179 rdata->version |= v;
180 }
181 break;
182 default:
183 fprintf(stderr, "Unknown response from CUL: %s", buf);
184 return 0;
185 break;
186 }
187
188 return 1;
189 }
190
191 int send_hm_message(struct ota_dev *dev, struct recv_data *rdata, uint8_t *msg)
192 {
193 static uint32_t id = 1;
194 struct timeval tv;
195 uint8_t out[0x40];
196 int pfd;
197
198 switch(dev->type) {
199 case DEVICE_TYPE_HMCFGUSB:
200 if (gettimeofday(&tv, NULL) == -1) {
201 perror("gettimeofay");
202 return 0;
203 }
204
205 memset(out, 0, sizeof(out));
206
207 out[0] = 'S';
208 out[1] = (id >> 24) & 0xff;
209 out[2] = (id >> 16) & 0xff;
210 out[3] = (id >> 8) & 0xff;
211 out[4] = id & 0xff;
212 out[10] = 0x01;
213 out[11] = (tv.tv_usec >> 24) & 0xff;
214 out[12] = (tv.tv_usec >> 16) & 0xff;
215 out[13] = (tv.tv_usec >> 8) & 0xff;
216 out[14] = tv.tv_usec & 0xff;
217
218 memcpy(&out[0x0f], msg, msg[0] + 1);
219
220 memset(rdata, 0, sizeof(struct recv_data));
221 hmcfgusb_send(dev->hmcfgusb, out, sizeof(out), 1);
222
223 while (1) {
224 if (rdata->message_type == MESSAGE_TYPE_R) {
225 if (((rdata->status & 0xdf) == 0x01) ||
226 ((rdata->status & 0xdf) == 0x02)) {
227 break;
228 } else {
229 if ((rdata->status & 0xff00) == 0x0400) {
230 fprintf(stderr, "\nOut of credits!\n");
231 } else if ((rdata->status & 0xff) == 0x08) {
232 fprintf(stderr, "\nMissing ACK!\n");
233 } else if ((rdata->status & 0xff) == 0x30) {
234 fprintf(stderr, "\nUnknown AES-key requested!\n");
235 } else {
236 fprintf(stderr, "\nInvalid status: %04x\n", rdata->status);
237 }
238 return 0;
239 }
240 }
241 errno = 0;
242 pfd = hmcfgusb_poll(dev->hmcfgusb, 1000);
243 if ((pfd < 0) && errno) {
244 if (errno != ETIMEDOUT) {
245 perror("\n\nhmcfgusb_poll");
246 exit(EXIT_FAILURE);
247 }
248 }
249 }
250 break;
251 case DEVICE_TYPE_CULFW:
252 {
253 char buf[256];
254 int i;
255
256 memset(buf, 0, sizeof(buf));
257 buf[0] = 'A';
258 buf[1] = 's';
259 for (i = 0; i < msg[0] + 1; i++) {
260 buf[2 + (i * 2)] = nibble_to_ascii((msg[i] >> 4) & 0xf);
261 buf[2 + (i * 2) + 1] = nibble_to_ascii(msg[i] & 0xf);
262 }
263 buf[2 + (i * 2) ] = '\r';
264 buf[2 + (i * 2) + 1] = '\n';
265
266 memset(rdata, 0, sizeof(struct recv_data));
267 if (culfw_send(dev->culfw, buf, 2 + (i * 2) + 1) == 0) {
268 fprintf(stderr, "culfw_send failed!\n");
269 exit(EXIT_FAILURE);
270 }
271
272 if (msg[CTL] & 0x20) {
273 int cnt = 3;
274 int pfd;
275 do {
276 errno = 0;
277 pfd = culfw_poll(dev->culfw, 200);
278 if ((pfd < 0) && errno) {
279 if (errno != ETIMEDOUT) {
280 perror("\n\nculfw_poll");
281 exit(EXIT_FAILURE);
282 }
283 }
284 if (rdata->message_type == MESSAGE_TYPE_E) {
285 break;
286 }
287 } while(cnt--);
288
289 if (cnt == -1) {
290 fprintf(stderr, "\nMissing ACK!\n");
291 return 0;
292 }
293 }
294 }
295 break;
296 }
297
298 id++;
299 return 1;
300 }
301
302 static int switch_speed(struct ota_dev *dev, struct recv_data *rdata, uint8_t speed)
303 {
304 uint8_t out[0x40];
305 int pfd;
306
307 printf("Entering %uk-mode\n", speed);
308
309 switch(dev->type) {
310 case DEVICE_TYPE_HMCFGUSB:
311 memset(out, 0, sizeof(out));
312 out[0] = 'G';
313 out[1] = speed;
314
315 hmcfgusb_send(dev->hmcfgusb, out, sizeof(out), 1);
316
317 while (1) {
318 errno = 0;
319 pfd = hmcfgusb_poll(dev->hmcfgusb, 1000);
320 if ((pfd < 0) && errno) {
321 if (errno != ETIMEDOUT) {
322 perror("\n\nhmcfgusb_poll");
323 exit(EXIT_FAILURE);
324 }
325 }
326 if (rdata->speed == speed)
327 break;
328 }
329 break;
330 case DEVICE_TYPE_CULFW:
331 if (speed == 100) {
332 return culfw_send(dev->culfw, "AR\r\n", 4);
333 } else {
334 return culfw_send(dev->culfw, "Ar\r\n", 4);
335 }
336 break;
337 }
338
339 return 1;
340 }
341
342 void flash_ota_syntax(char *prog)
343 {
344 fprintf(stderr, "Syntax: %s parameters options\n\n", prog);
345 fprintf(stderr, "Mandatory parameters:\n");
346 fprintf(stderr, "\t-f firmware.eq3\tfirmware file to flash\n");
347 fprintf(stderr, "\t-s SERIAL\tserial of device to flash\n");
348 fprintf(stderr, "\nOptional parameters:\n");
349 fprintf(stderr, "\t-c device\tenable CUL-mode with CUL at path \"device\"\n");
350 fprintf(stderr, "\t-b bps\t\tuse CUL with speed \"bps\" (default: %u)\n", DEFAULT_CUL_BPS);
351 fprintf(stderr, "\t-l\t\tlower payloadlen (required for devices with little RAM, e.g. CUL v2 and CUL v4)\n");
352 fprintf(stderr, "\t-h\t\tthis help\n");
353 fprintf(stderr, "\nOptional parameters for automatically sending device to bootloader\n");
354 fprintf(stderr, "\t-C\t\tHMID of central (3 hex-bytes, no prefix, e.g. ABCDEF)\n");
355 fprintf(stderr, "\t-D\t\tHMID of device (3 hex-bytes, no prefix, e.g. 123456)\n");
356 fprintf(stderr, "\t-K\t\tKNO:KEY AES key-number and key (hex) separated by colon (Fhem hmKey attribute)\n");
357 fprintf(stderr, "\t\t\tAES is currently not supported when using a culfw-device!\n");
358 }
359
360 int main(int argc, char **argv)
361 {
362 const char twiddlie[] = { '-', '\\', '|', '/' };
363 const uint8_t cc1101_regs[] = { 0x10, 0x5B, 0x11, 0xF8, 0x15, 0x47 };
364 char *fw_file = NULL;
365 char *serial = NULL;
366 char *culfw_dev = NULL;
367 char *endptr = NULL;
368 unsigned int bps = DEFAULT_CUL_BPS;
369 struct ota_dev dev;
370 struct recv_data rdata;
371 uint8_t out[0x40];
372 uint8_t *pos;
373 uint8_t msgid = 0x1;
374 uint16_t len;
375 struct firmware *fw;
376 int block;
377 int pfd;
378 int debug = 0;
379 int cnt;
380 int switchcnt = 0;
381 int msgnum = 0;
382 int switched = 0;
383 int opt;
384
385 printf("HomeMatic OTA flasher version " VERSION "\n\n");
386
387 while((opt = getopt(argc, argv, "b:c:f:hls:C:D:K:")) != -1) {
388 switch (opt) {
389 case 'b':
390 bps = atoi(optarg);
391 break;
392 case 'c':
393 culfw_dev = optarg;
394 break;
395 case 'f':
396 fw_file = optarg;
397 break;
398 case 'l':
399 printf("Reducing payload-len from %d to %d\n", max_payloadlen, LOWER_MAX_PAYLOAD);
400 max_payloadlen = LOWER_MAX_PAYLOAD;
401 break;
402 case 's':
403 serial = optarg;
404 break;
405 case 'C':
406 my_hmid = strtoul(optarg, &endptr, 16);
407 if (*endptr != '\0') {
408 fprintf(stderr, "Invalid central HMID!\n\n");
409 flash_ota_syntax(argv[0]);
410 exit(EXIT_FAILURE);
411 }
412 break;
413 case 'D':
414 hmid = strtoul(optarg, &endptr, 16);
415 if (*endptr != '\0') {
416 fprintf(stderr, "Invalid device HMID!\n\n");
417 flash_ota_syntax(argv[0]);
418 exit(EXIT_FAILURE);
419 }
420 break;
421 case 'K':
422 kNo = strtoul(optarg, &endptr, 10);
423 if (*endptr != ':') {
424 fprintf(stderr, "Invalid key number!\n\n");
425 flash_ota_syntax(argv[0]);
426 exit(EXIT_FAILURE);
427 }
428 endptr++;
429 for (cnt = 0; cnt < 16; cnt++) {
430 if (*endptr == '\0' || *(endptr+1) == '\0' ||
431 !validate_nibble(*endptr) ||
432 !validate_nibble(*(endptr+1))) {
433 fprintf(stderr, "Invalid key!\n\n");
434 flash_ota_syntax(argv[0]);
435 exit(EXIT_FAILURE);
436 }
437 key[cnt] = ascii_to_nibble(*endptr) << 4 | ascii_to_nibble(*(endptr+1));
438 endptr += 2;
439 }
440 break;
441 case 'h':
442 case ':':
443 case '?':
444 default:
445 flash_ota_syntax(argv[0]);
446 exit(EXIT_FAILURE);
447 break;
448
449 }
450 }
451
452 if (!fw_file || !serial) {
453 flash_ota_syntax(argv[0]);
454 exit(EXIT_FAILURE);
455 }
456
457 fw = firmware_read_firmware(fw_file, debug);
458 if (!fw)
459 exit(EXIT_FAILURE);
460
461 memset(&rdata, 0, sizeof(rdata));
462 memset(&dev, 0, sizeof(struct ota_dev));
463
464 if (culfw_dev) {
465 if (kNo) {
466 fprintf(stderr, "\nAES currently not supported with culfw-device!\n");
467 flash_ota_syntax(argv[0]);
468 exit(EXIT_FAILURE);
469 }
470
471 printf("Opening culfw-device at path %s with speed %u\n", culfw_dev, bps);
472 dev.culfw = culfw_init(culfw_dev, bps, parse_culfw, &rdata);
473 if (!dev.culfw) {
474 fprintf(stderr, "Can't initialize CUL at %s with rate %u\n", culfw_dev, bps);
475 exit(EXIT_FAILURE);
476 }
477 dev.type = DEVICE_TYPE_CULFW;
478
479 printf("Requesting firmware version\n");
480 culfw_send(dev.culfw, "\r\n", 2);
481 culfw_flush(dev.culfw);
482
483 while (1) {
484 culfw_send(dev.culfw, "V\r\n", 3);
485
486 errno = 0;
487 pfd = culfw_poll(dev.culfw, 1000);
488 if ((pfd < 0) && errno) {
489 if (errno != ETIMEDOUT) {
490 perror("\n\nhmcfgusb_poll");
491 exit(EXIT_FAILURE);
492 }
493 }
494 if (rdata.version)
495 break;
496 }
497
498 printf("culfw-device firmware version: %u.%02u\n",
499 (rdata.version >> 8) & 0xff,
500 rdata.version & 0xff);
501
502 if (rdata.version < 0x013a) {
503 fprintf(stderr, "\nThis version does _not_ support firmware upgrade mode, you need at least 1.58!\n");
504 exit(EXIT_FAILURE);
505 }
506 } else {
507 uint32_t new_hmid = my_hmid;
508
509 hmcfgusb_set_debug(debug);
510
511 dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata);
512 if (!dev.hmcfgusb) {
513 fprintf(stderr, "Can't initialize HM-CFG-USB\n");
514 exit(EXIT_FAILURE);
515 }
516 dev.type = DEVICE_TYPE_HMCFGUSB;
517
518 memset(out, 0, sizeof(out));
519 out[0] = 'K';
520 hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
521
522 while (1) {
523 errno = 0;
524 pfd = hmcfgusb_poll(dev.hmcfgusb, 1000);
525 if ((pfd < 0) && errno) {
526 if (errno != ETIMEDOUT) {
527 perror("\n\nhmcfgusb_poll");
528 exit(EXIT_FAILURE);
529 }
530 }
531 if (rdata.version)
532 break;
533 }
534
535 if (rdata.version < 0x3c7) {
536 fprintf(stderr, "HM-CFG-USB firmware too low: %u < 967\n", rdata.version);
537 exit(EXIT_FAILURE);
538 }
539
540 printf("HM-CFG-USB firmware version: %u, used credits: %u%%\n", rdata.version, rdata.credits);
541
542 if (rdata.credits >= 40) {
543 printf("\nRebooting HM-CFG-USB to avoid running out of credits\n\n");
544
545 if (!dev.hmcfgusb->bootloader) {
546 printf("HM-CFG-USB not in bootloader mode, entering bootloader.\n");
547 printf("Waiting for device to reappear...\n");
548
549 do {
550 if (dev.hmcfgusb) {
551 if (!dev.hmcfgusb->bootloader)
552 hmcfgusb_enter_bootloader(dev.hmcfgusb);
553 hmcfgusb_close(dev.hmcfgusb);
554 }
555 sleep(1);
556 } while (((dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata)) == NULL) || (!dev.hmcfgusb->bootloader));
557 }
558
559 if (dev.hmcfgusb->bootloader) {
560 printf("HM-CFG-USB in bootloader mode, rebooting\n");
561
562 do {
563 if (dev.hmcfgusb) {
564 if (dev.hmcfgusb->bootloader)
565 hmcfgusb_leave_bootloader(dev.hmcfgusb);
566 hmcfgusb_close(dev.hmcfgusb);
567 }
568 sleep(1);
569 } while (((dev.hmcfgusb = hmcfgusb_init(parse_hmcfgusb, &rdata)) == NULL) || (dev.hmcfgusb->bootloader));
570 }
571 }
572
573 printf("\n\nHM-CFG-USB opened\n\n");
574
575 if (new_hmid && (my_hmid != new_hmid)) {
576 printf("Changing hmid from %06x to %06x\n", my_hmid, new_hmid);
577
578 memset(out, 0, sizeof(out));
579 out[0] = 'A';
580 out[1] = (new_hmid >> 16) & 0xff;
581 out[2] = (new_hmid >> 8) & 0xff;
582 out[3] = new_hmid & 0xff;
583
584 hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
585
586 my_hmid = new_hmid;
587 }
588
589 if (kNo) {
590 printf("Setting AES-key\n");
591
592 memset(out, 0, sizeof(out));
593 out[0] = 'Y';
594 out[1] = 0x01;
595 out[2] = kNo;
596 out[3] = sizeof(key);
597 memcpy(&(out[4]), key, sizeof(key));
598 hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
599
600 memset(out, 0, sizeof(out));
601 out[0] = 'Y';
602 out[1] = 0x02;
603 out[2] = 0x00;
604 out[3] = 0x00;
605 hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
606
607 memset(out, 0, sizeof(out));
608 out[0] = 'Y';
609 out[1] = 0x03;
610 out[2] = 0x00;
611 out[3] = 0x00;
612 hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
613 }
614 }
615
616 if (!switch_speed(&dev, &rdata, 10)) {
617 fprintf(stderr, "Can't switch speed!\n");
618 exit(EXIT_FAILURE);
619 }
620
621 if (hmid && my_hmid) {
622 printf("Sending device with hmid %06x to bootloader\n", hmid);
623 out[MSGID] = msgid++;
624 out[CTL] = 0x30;
625 out[TYPE] = 0x11;
626 SET_SRC(out, my_hmid);
627 SET_DST(out, hmid);
628 out[PAYLOAD] = 0xCA;
629 SET_LEN_FROM_PAYLOADLEN(out, 1);
630
631 cnt = 3;
632 do {
633 if (send_hm_message(&dev, &rdata, out)) {
634 break;
635 }
636 } while (cnt--);
637 if (cnt == -1) {
638 printf("Failed to send device to bootloader, please enter bootloader manually.\n");
639 }
640 }
641
642 printf("Waiting for device with serial %s\n", serial);
643
644 while (1) {
645 errno = 0;
646 switch (dev.type) {
647 case DEVICE_TYPE_CULFW:
648 pfd = culfw_poll(dev.culfw, 1000);
649 break;
650 case DEVICE_TYPE_HMCFGUSB:
651 default:
652 pfd = hmcfgusb_poll(dev.hmcfgusb, 1000);
653 break;
654 }
655
656 if ((pfd < 0) && errno) {
657 if (errno != ETIMEDOUT) {
658 perror("\n\npoll");
659 exit(EXIT_FAILURE);
660 }
661 }
662
663 if ((rdata.message[LEN] == 0x14) && /* Length */
664 (rdata.message[MSGID] == 0x00) && /* Message ID */
665 (rdata.message[CTL] == 0x00) && /* Control Byte */
666 (rdata.message[TYPE] == 0x10) && /* Messagte type: Information */
667 (DST(rdata.message) == 0x000000) && /* Broadcast */
668 (rdata.message[PAYLOAD] == 0x00)) { /* FUP? */
669 if (!strncmp((char*)&(rdata.message[0x0b]), serial, 10)) {
670 hmid = SRC(rdata.message);
671 break;
672 }
673 }
674 }
675
676 printf("Device with serial %s (hmid: %06x) entered firmware-update-mode\n", serial, hmid);
677
678 if (dev.type == DEVICE_TYPE_HMCFGUSB) {
679 printf("Adding HMID\n");
680
681 memset(out, 0, sizeof(out));
682 out[0] = '+';
683 out[1] = (hmid >> 16) & 0xff;
684 out[2] = (hmid >> 8) & 0xff;
685 out[3] = hmid & 0xff;
686
687 hmcfgusb_send(dev.hmcfgusb, out, sizeof(out), 1);
688 }
689
690 switchcnt = 3;
691 do {
692 printf("Initiating remote switch to 100k\n");
693
694 memset(out, 0, sizeof(out));
695
696 out[MSGID] = msgid++;
697 out[CTL] = 0x00;
698 out[TYPE] = 0xCB;
699 SET_SRC(out, my_hmid);
700 SET_DST(out, hmid);
701
702 memcpy(&out[PAYLOAD], cc1101_regs, sizeof(cc1101_regs));
703 SET_LEN_FROM_PAYLOADLEN(out, sizeof(cc1101_regs));
704
705 if (!send_hm_message(&dev, &rdata, out)) {
706 exit(EXIT_FAILURE);
707 }
708
709 if (!switch_speed(&dev, &rdata, 100)) {
710 fprintf(stderr, "Can't switch speed!\n");
711 exit(EXIT_FAILURE);
712 }
713
714 printf("Has the device switched?\n");
715
716 memset(out, 0, sizeof(out));
717
718 out[MSGID] = msgid++;
719 out[CTL] = 0x20;
720 out[TYPE] = 0xCB;
721 SET_SRC(out, my_hmid);
722 SET_DST(out, hmid);
723
724 memcpy(&out[PAYLOAD], cc1101_regs, sizeof(cc1101_regs));
725 SET_LEN_FROM_PAYLOADLEN(out, sizeof(cc1101_regs));
726
727 cnt = 3;
728 do {
729 if (send_hm_message(&dev, &rdata, out)) {
730 /* A0A02000221B9AD00000000 */
731 switched = 1;
732 break;
733 }
734 } while (cnt--);
735
736 if (!switched) {
737 printf("No!\n");
738
739 if (!switch_speed(&dev, &rdata, 10)) {
740 fprintf(stderr, "Can't switch speed!\n");
741 exit(EXIT_FAILURE);
742 }
743 }
744 } while ((!switched) && (switchcnt--));
745
746 if (!switched) {
747 fprintf(stderr, "Too many errors, giving up!\n");
748 exit(EXIT_FAILURE);
749 }
750
751 printf("Yes!\n");
752
753 printf("Flashing %d blocks", fw->fw_blocks);
754 if (debug) {
755 printf("\n");
756 } else {
757 printf(": %04u/%04u %c", 0, fw->fw_blocks, twiddlie[0]);
758 fflush(stdout);
759 }
760
761 for (block = 0; block < fw->fw_blocks; block++) {
762 int first;
763
764 len = fw->fw[block][2] << 8;
765 len |= fw->fw[block][3];
766
767 pos = &(fw->fw[block][2]);
768
769 len += 2; /* length */
770
771 if (debug)
772 hexdump(pos, len, "F> ");
773
774 first = 1;
775 cnt = 0;
776 do {
777 int payloadlen = max_payloadlen - 2;
778 int ack = 0;
779
780 if (first) {
781 payloadlen = max_payloadlen;
782 first = 0;
783 }
784
785 if ((len - (pos - &(fw->fw[block][2]))) < payloadlen)
786 payloadlen = (len - (pos - &(fw->fw[block][2])));
787
788 if (((pos + payloadlen) - &(fw->fw[block][2])) == len)
789 ack = 1;
790
791 memset(&rdata, 0, sizeof(rdata));
792
793 memset(out, 0, sizeof(out));
794
795 out[MSGID] = msgid;
796 if (ack)
797 out[CTL] = 0x20;
798 out[TYPE] = 0xCA;
799 SET_SRC(out, my_hmid);
800 SET_DST(out, hmid);
801
802 memcpy(&out[PAYLOAD], pos, payloadlen);
803 SET_LEN_FROM_PAYLOADLEN(out, payloadlen);
804
805 if (send_hm_message(&dev, &rdata, out)) {
806 pos += payloadlen;
807 } else {
808 pos = &(fw->fw[block][2]);
809 cnt++;
810 if (cnt == MAX_RETRIES) {
811 fprintf(stderr, "\nToo many errors, giving up!\n");
812 exit(EXIT_FAILURE);
813 } else {
814 printf("Flashing %d blocks: %04u/%04u %c", fw->fw_blocks, block + 1, fw->fw_blocks, twiddlie[msgnum % sizeof(twiddlie)]);
815 }
816 }
817
818 msgnum++;
819
820 if (!debug) {
821 printf("\b\b\b\b\b\b\b\b\b\b\b%04u/%04u %c",
822 block + 1, fw->fw_blocks, twiddlie[msgnum % sizeof(twiddlie)]);
823 fflush(stdout);
824 }
825 } while((pos - &(fw->fw[block][2])) < len);
826 msgid++;
827 }
828
829 firmware_free(fw);
830
831 printf("\n");
832
833 if (!switch_speed(&dev, &rdata, 10)) {
834 fprintf(stderr, "Can't switch speed!\n");
835 exit(EXIT_FAILURE);
836 }
837
838 printf("Waiting for device to reboot\n");
839
840 cnt = 10;
841 do {
842 errno = 0;
843 switch(dev.type) {
844 case DEVICE_TYPE_CULFW:
845 pfd = culfw_poll(dev.culfw, 1000);
846 break;
847 case DEVICE_TYPE_HMCFGUSB:
848 default:
849 pfd = hmcfgusb_poll(dev.hmcfgusb, 1000);
850 break;
851 }
852 if ((pfd < 0) && errno) {
853 if (errno != ETIMEDOUT) {
854 perror("\n\npoll");
855 exit(EXIT_FAILURE);
856 }
857 }
858 if (rdata.message_type == MESSAGE_TYPE_E) {
859 break;
860 }
861 } while(cnt--);
862
863 if (rdata.message_type == MESSAGE_TYPE_E) {
864 printf("Device rebooted\n");
865 }
866
867 switch(dev.type) {
868 case DEVICE_TYPE_HMCFGUSB:
869 hmcfgusb_close(dev.hmcfgusb);
870 hmcfgusb_exit();
871 break;
872 case DEVICE_TYPE_CULFW:
873 culfw_close(dev.culfw);
874 break;
875 }
876
877 return EXIT_SUCCESS;
878 }
HM-CFG-USB{,2} linux utilities
Impressum, Datenschutz